Space Brief 21 Jan 2025
Today's Space Brief highlights a SpaceX launch of Starlink satellites, international efforts to tackle space debris, and innovative lunar power solutions from China.
ONEWEB-0236 (48797)
COSPAR: 2021-045AG | Alt Name: OneWeb SL0236
Image
Additional Sources
Launch Details
Launch Date
May 28, 2021
Launch Site
VOSTO
Launch Pad
PU1S
Launch Vehicle
Soyuz-2-1B
Orbital Elements
NORAD ID
48797
International Designator
2021-045AG
Epoch
Sat, 04 Jul 2026 03:16:44 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
87.90°
Right Ascension
255.83°
Eccentricity
Calculating...
Argument of Perigee
97.37°
Period
109.46 min
Mean Motion
13.16 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
Calculating...
Velocity
Calculating...
Polar Plot
3D Visualization
Basic Satellite Info
Name
ONEWEB-0236
Alternative Name
OneWeb SL0236
Type
Payload
Status
Operational
Owner
ONEWEBN
Country
United Kingdom
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 48797U 21045AG 26185.13662488 -.00000028 00000-0 -10719-3 0 9990
2 48797 87.8992 255.8293 0002122 97.3716 262.7655 13.15547627246482
Source: Celestrak
Summary
ONEWEB-0236, also known as OneWeb SL0236, is a communication satellite built by ONEWUS for the UK-based company ONEWEBN. Launched on May 28, 2021, from VOSTO Launch Site using a Soyuz-2-1B launch vehicle, it has a configuration known as Arrow bus and carries a Ku-Band payload. The satellite measures 1.3 meters in length with a diameter of 1 meter and a span of 5 meters. It has a dry mass of 140 kilograms and was launched at a mass of 148 kilograms, powered by solar arrays and batteries. Equipped with SPT-50 or BHT-350 Hall effect thrusters for propulsion, the satellite is designed to operate in space for approximately seven years. Its shape is described as Trapezoid+2 pan, and it serves a communication mission essential for its constellation.
Physical Characteristics
Length
1.3
Diameter
1
Span
5
Dry Mass
140
Launch Mass
148
Shape
Trapezoid+2 pan
Radar Cross Section
Unknown
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
OneWeb L7-030
Purpose
Communication
Mission
Communication
Manufacturer
ONEWUS
Life Expectancy
+ 7 years
Bus
ARROW
Configuration
Arrow bus
Motor
SPT-50 or BHT-350 Hall effect thrusters
Equipment
Ku-Band payload
Power System
solar arrays, batteries
ADCS
Unknown
Transmitter Frequency
Unknown
Map
Next Pass
Azimuth Elevation Time (Local)
Start Azimuth
Max Elevation
Stop Azimuth
Time Until
Pass Duration
Satellite Articles
View All Posts »Learn more about satellites and other related topics.
Space Brief 29 Apr 2025
Today's space brief covers significant advancements in military counter-drone capabilities, workforce challenges in the Navy related to DOGE budget cuts, and highlights Germany's rise in defense spending. We also shine a spotlight on the communications satellite INTELSAT 901.
X Report 2 Apr 2025
SpaceX's Fram2 mission marks a historic first in polar orbit travel, while DARPA unexpectedly detects Falcon 9 reentry using atmospheric listening.
Space Brief 5 Aug 2025
Today's Space Brief covers Lockheed Martin's pursuits in missile interception, key military advancements in space integration, the UK launch license for Skyrora, and much more.
X Report 9 Dec 2025
SpaceX successfully launched 29 Starlink satellites on the record-breaking 32nd flight of its Falcon 9 rocket. Elon Musk discusses a potential future as a Type II civilization, emphasizing the role of AI and satellite technology.
25 Starlinks Lift Off from Vandenberg in Latest Batch | KeepTrack X Report
SpaceX launched 25 more Starlink satellites from Vandenberg SFB on March 8, 2026, pushing the active constellation toward 9,914 working spacecraft.
X Report 5 Oct 2025
SpaceX secures major contracts for U.S. national security launches, including multiple Falcon Heavy missions. Significant updates on Starlink deployments and the ongoing evolution of the company highlight a productive day in the space sector.
Space Brief 18 Nov 2024
Today's brief highlights a Starlink satellite launch, an OpTech optical sensor contract for the Space Force, and a unique STEM experiment involving space-flown seeds.